package DesignPatern.A09_命令模式.QSB.A03_升级模式;

/**
 * @Author: Du
 * @Date: 2021/7/23 15:39
 */
public abstract class Command
{
    protected RequirementGroup rg = new RequirementGroup();
    protected CodeGroup cp = new CodeGroup();
    
    public abstract void execute();
}
